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Hoang K. Ly, Dr. Falk Harnisch, Dr. Siang-Fu Hong, Prof. Dr. Uwe Schröder, Prof. Dr. Peter Hildebrandt and Dr. Diego Millo Unraveling the Interfacial Electron Transfer Dynamics of Electroactive Microbial Biofilms Using Surface-Enhanced Raman Spectroscopy ChemSusChem 6

Article first published online: 1 FEB 2013 | DOI: 10.1002/cssc.201200626

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Speed dating for electrons: Heterogeneous electron transfer across the biofilm/electrode interface is a slow process promoted by surface-confined cytochromes that are not in direct physical contact with the electrode. Subsequent electron transfer from the surface-confined cytochromes to more remote redox centers within the biofilm is a much faster process. Herein, an approach is identified as a powerful tool for selectively probing interfacial processes of biofilms close to the electrode surface.

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